Finding the Fourth Proportional to 492,409,993.21, 738,614,079.11 and 160,416,606.68
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Solution
The fourth proportional to 492,409,993.21, 738,614,079.11 and 160,416,606.68 is: 240,624,613.33
Step by Step Solution
- Step 1: Write the proportion equation
492,409,993.21 : 738,614,079.11 = 160,416,606.68 : x - Step 2: Convert to fraction form
492,409,993.21/738,614,079.11 = 160,416,606.68/x - Step 3: Cross multiply
492,409,993.21x = 738,614,079.11 × 160,416,606.68 - Step 4: Simplify right side
492,409,993.21x = 118,485,964,215,396,080 - Step 5: Solve for x
x = 118,485,964,215,396,080/492,409,993.21 - Step 6: Final answer
x = 240,624,613.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.